Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1159..165n&link_type=abstract
IN: EUV, X-ray, and gamma-ray instrumentation for astronomy and atomic physics; Proceedings of the Meeting, San Diego, CA, Aug.
Astronomy and Astrophysics
Astronomy
Gamma Ray Spectrometers, Imaging Spectrometers, Radiation Detectors, Space Station Payloads, Spatial Resolution, Spectral Sensitivity, Accretion Disks, Black Holes (Astronomy), Gamma Ray Bursts, Line Spectra, Neutron Stars, Solar Flares
Scientific paper
The overall design and the instrumental features of the Space-Station Observer for Nuclear Gamma-ray Spectroscopy (SONGS) instrument are described. SONGS comprises an array of 19 two-segment n-type Ge detectors, which have the capability of determining the interaction site in either the upper or the lower segment or in both segments. The detectors provide high energy resolution of 1 keV at 100 keV and of 2 keV at 1 MeV. The close-packed Ge sensor array provides a natural sensitivity for the measurement of gamma ray polarization in the 100 keV to 1 MeV energy range, making it possible to obtain information on the structure of the magnetosphere of neutron stars and of the accretion disk of black holes.
Chase F. L.
Fishman Gerald J.
Kilner J. R.
Nakano George H.
Paciesas William Simon
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